Abstract:The unbalance of a magnetically levitated rotor causes synchronous oscillations in the current and position signals. This oscillations can lead to saturation of the magnetic actuator. To deal with that problem a selfsensing unbalance controller is developed to reduce the unbalance oscillations in the current signals. The selfsensing unbalance controller consists of two parts. The first part is the unbalance observer which has the task to detect the angular velocity and the angle of the synchronous unbalance in… Show more
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